The delete()
method removes the specified element from a
Map
object by key.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
The source for this interactive example is stored in a GitHub
repository. If you'd like to contribute to the interactive examples project, please
clone https://github.com/mdn/interactive-examples
and send us a pull request.
Syntax
myMap.delete(key);
Parameters
key
- The key of the element to remove from the
Map
object.
Return value
true
if an element in the Map
object existed and has been
removed, or false
if the element does not exist.
Examples
Using delete()
var myMap = new Map();
myMap.set('bar', 'foo');
myMap.delete('bar'); // Returns true. Successfully removed.
myMap.has('bar'); // Returns false. The "bar" element is no longer present.
Specifications
Browser compatibility
BCD tables only load in the browser